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2838630397 is a prime number
BaseRepresentation
bin1010100100110010…
…0000111111111101
321022211101100212011
42221030200333331
521303142133042
61145401411221
7130225650241
oct25114407775
97284340764
102838630397
111227373039
12672799b11
13363134575
141ccddc421
1511931aa17
hexa9320ffd

2838630397 has 2 divisors, whose sum is σ = 2838630398. Its totient is φ = 2838630396.

The previous prime is 2838630383. The next prime is 2838630401. The reversal of 2838630397 is 7930368382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2224631556 + 613998841 = 47166^2 + 24779^2 .

It is a cyclic number.

It is not a de Polignac number, because 2838630397 - 211 = 2838628349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2838630397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2838630497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1419315198 + 1419315199.

It is an arithmetic number, because the mean of its divisors is an integer number (1419315199).

Almost surely, 22838630397 is an apocalyptic number.

It is an amenable number.

2838630397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2838630397 is an equidigital number, since it uses as much as digits as its factorization.

2838630397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 2838630397 is about 53278.7987571041. The cubic root of 2838630397 is about 1415.9120669870.

The spelling of 2838630397 in words is "two billion, eight hundred thirty-eight million, six hundred thirty thousand, three hundred ninety-seven".